scripts/profile-kpios-pre.sh

   1 #!/bin/bash
   2 # profile-kpios-pre.sh
   3
   4 trap "PROFILE_KPIOS_READY=1" SIGHUP
   5
   6 RUN_PRE=${0}
   7 RUN_PHASE=${1}
   8 RUN_LOG_DIR=${2}
   9 RUN_ID=${3}
  10 RUN_POOL=${4}
  11 RUN_CHUNK_SIZE=${5}
  12 RUN_REGION_SIZE=${6}
  13 RUN_THREAD_COUNT=${7}
  14 RUN_REGION_COUNT=${8}
  15 RUN_OFFSET=${9}
  16 RUN_REGION_NOISE=${10}
  17 RUN_CHUNK_NOISE=${11}
  18 RUN_THREAD_DELAY=${12}
  19 RUN_FLAGS=${13}
  20 RUN_RESULT=${14}
  21
  22 PROFILE_KPIOS_BIN=/home/behlendo/src/zfs/scripts/profile-kpios.sh
  23 PROFILE_KPIOS_READY=0
  24
  25 OPROFILE_LOG=${RUN_LOG_DIR}/${RUN_ID}/oprofile.txt
  26 PROFILE_PID=${RUN_LOG_DIR}/${RUN_ID}/pid
  27 RUN_ARGS=${RUN_LOG_DIR}/${RUN_ID}/args
  28
  29 if [ "${RUN_PHASE}" != "pre" ]; then
  30         exit 1
  31 fi
  32
  33 rm -Rf ${RUN_LOG_DIR}/${RUN_ID}/
  34 mkdir -p ${RUN_LOG_DIR}/${RUN_ID}/
  35
  36 echo "PHASE=${RUN_PHASE}" >>${RUN_ARGS}
  37 echo "LOG_DIR=${RUN_LOG_DIR}" >>${RUN_ARGS}
  38 echo "ID=${RUN_ID}" >>${RUN_ARGS}
  39 echo "POOL=${RUN_POOL}" >>${RUN_ARGS}
  40 echo "CHUNK_SIZE=${RUN_CHUNK_SIZE}" >>${RUN_ARGS}
  41 echo "REGION_SIZE=${RUN_REGION_SIZE}" >>${RUN_ARGS}
  42 echo "THREAD_COUNT=${RUN_THREAD_COUNT}" >>${RUN_ARGS}
  43 echo "REGION_COUNT=${RUN_REGION_COUNT}" >>${RUN_ARGS}
  44 echo "OFFSET=${RUN_OFFSET}" >>${RUN_ARGS}
  45 echo "REGION_NOISE=${RUN_REGION_NOISE}" >>${RUN_ARGS}
  46 echo "CHUNK_NOISE=${RUN_CHUNK_NOISE}" >>${RUN_ARGS}
  47 echo "THREAD_DELAY=${RUN_THREAD_DELAY}" >>${RUN_ARGS}
  48 echo "FLAGS=${RUN_FLAGS}" >>${RUN_ARGS}
  49 echo "RESULT=${RUN_RESULT}" >>${RUN_ARGS}
  50
  51 # XXX: Oprofile support seems to be broken when I try and start
  52 # it via a user mode helper script, I suspect the setup is failing.
  53 # opcontrol --init >>${OPROFILE_LOG} 2>&1
  54 # opcontrol --setup --vmlinux=/boot/vmlinux >>${OPROFILE_LOG} 2>&1
  55
  56 # Start the profile script
  57 ${PROFILE_KPIOS_BIN} ${RUN_PHASE} ${RUN_LOG_DIR} ${RUN_ID} &
  58 echo "$!" >${PROFILE_PID}
  59
  60 # Sleep waiting for profile script to be ready, it will
  61 # signal us via SIGHUP when it is ready to start profiling.
  62 while [ ${PROFILE_KPIOS_READY} -eq 0 ]; do
  63         sleep 0.1
  64 done
  65
  66 # opcontrol --start-daemon >>${OPROFILE_LOG} 2>&1
  67 # opcontrol --start >>${OPROFILE_LOG} 2>&1
  68
  69 exit 0